diff --git a/package.json b/package.json
index c3220c51f..2f6a19c2f 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "utf8": "^3.0.0",
     "webpack": "^4.43.0",
     "webpack-cli": "^3.3.11",
-    "ws": "^7.2.5",
+    "ws": "^7.3.0",
     "xterm-benchmark": "^0.1.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 1118af725..c4a15bb25 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5955,10 +5955,10 @@ ws@^6.1.0:
   dependencies:
     async-limiter "~1.0.0"
 
-ws@^7.2.3, ws@^7.2.5:
-  version "7.2.5"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.2.5.tgz#abb1370d4626a5a9cd79d8de404aa18b3465d10d"
-  integrity sha512-C34cIU4+DB2vMyAbmEKossWq2ZQDr6QEyuuCzWrM9zfw1sGc0mYiJ0UnG9zzNykt49C2Fi34hvr2vssFQRS6EA==
+ws@^7.2.3, ws@^7.3.0:
+  version "7.3.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.0.tgz#4b2f7f219b3d3737bc1a2fbf145d825b94d38ffd"
+  integrity sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==
 
 xml-name-validator@^3.0.0:
   version "3.0.0"